:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --ink: #0f1720;
  --muted: #5d6978;
  --line: #dbe2ea;
  --line-strong: #c8d2dd;
  --accent: #0f6fff;
  --accent-soft: #eaf2ff;
  --accent-ink: #ffffff;
  --shadow: 0 22px 60px rgba(15, 23, 32, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top center, rgba(15, 111, 255, 0.08), transparent 24%),
    linear-gradient(180deg, #fafbfd 0%, #f3f6fa 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  pointer-events: none;
  z-index: 0;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.6;
}

body::before {
  top: -120px;
  right: -60px;
  width: 360px;
  height: 360px;
  background: rgba(15, 111, 255, 0.11);
  animation: driftOne 14s ease-in-out infinite;
}

body::after {
  left: -120px;
  top: 420px;
  width: 320px;
  height: 320px;
  background: rgba(110, 168, 255, 0.12);
  animation: driftTwo 18s ease-in-out infinite;
}

.shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  padding-top: 16px;
}

.header-bar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border: 1px solid rgba(15, 23, 32, 0.06);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 42px rgba(15, 23, 32, 0.05);
  animation: slideDown 0.7s ease both;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #111827;
  color: #ffffff;
  font-weight: 900;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong,
.footer-copy strong {
  font-size: 1.05rem;
  letter-spacing: -0.04em;
}

.brand-copy small,
.footer-copy span {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.site-nav a,
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 999px;
}

.site-nav a.active,
.site-nav a:hover,
.footer-links a:hover {
  color: var(--ink);
}

.site-nav a.active {
  background: #eef3f8;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(15, 111, 255, 0.22);
}

.button-secondary {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
}

.button-small {
  min-height: 42px;
  padding: 0 16px;
}

.hero {
  padding: 92px 0 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 42px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.hero h1 {
  max-width: 860px;
  margin: 18px 0 18px;
  font-size: clamp(3rem, 6.3vw, 6rem);
  line-height: 0.93;
  letter-spacing: -0.085em;
  animation: fadeLift 0.8s ease 0.08s both;
}

.hero p {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.7vw, 1.16rem);
  line-height: 1.8;
  animation: fadeLift 0.8s ease 0.18s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
  animation: fadeLift 0.8s ease 0.28s both;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 20px;
  animation: fadeLift 0.8s ease 0.38s both;
}

.hero-points span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.hero-points span::before {
  content: "•";
  margin-right: 8px;
  color: var(--accent);
}

.hero-aside {
  display: grid;
  gap: 18px;
  justify-items: end;
}

.signal-card {
  width: min(360px, 100%);
  padding: 28px 30px;
  border: 1px solid rgba(15, 23, 32, 0.07);
  border-radius: 34px 34px 34px 14px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 70px rgba(15, 23, 32, 0.08);
  animation: floatCard 10s ease-in-out infinite;
}

.signal-label {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.signal-card strong {
  display: block;
  margin-top: 16px;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
  line-height: 1.24;
}

.hero-lineup {
  width: min(360px, 100%);
  display: grid;
  gap: 12px;
}

.hero-lineup span {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid rgba(15, 23, 32, 0.06);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted);
  font-weight: 650;
  backdrop-filter: blur(10px);
  box-shadow: 0 16px 34px rgba(15, 23, 32, 0.04);
  animation: fadeLift 0.8s ease both;
}

.hero-lineup span:nth-child(1) {
  animation-delay: 0.18s;
}

.hero-lineup span:nth-child(2) {
  animation-delay: 0.28s;
}

.hero-lineup span:nth-child(3) {
  animation-delay: 0.38s;
}

.showcase {
  padding: 10px 0 22px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-head small,
.product-topline small,
.card-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.product-frame {
  overflow: hidden;
  border: 1px solid rgba(15, 23, 32, 0.06);
  border-radius: 42px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
  box-shadow: 0 38px 90px rgba(15, 23, 32, 0.1);
  position: relative;
  transform: perspective(1400px) rotateX(1deg);
  transform-origin: top center;
}

.product-bar {
  display: flex;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.product-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #c1ccd7;
}

.product-screen {
  min-height: 760px;
  position: relative;
}

.frame-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.45;
}

.frame-glow-a {
  top: -40px;
  right: 8%;
  width: 220px;
  height: 220px;
  background: rgba(15, 111, 255, 0.14);
  animation: pulseGlow 8s ease-in-out infinite;
}

.frame-glow-b {
  bottom: -70px;
  left: 12%;
  width: 240px;
  height: 240px;
  background: rgba(87, 133, 214, 0.12);
  animation: pulseGlow 10s ease-in-out infinite reverse;
}

.product-main {
  padding: 34px;
  display: grid;
  gap: 24px;
}

.product-main-full {
  padding: 44px;
}

.product-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.product-topline-wide {
  align-items: end;
}

.product-topline h3 {
  margin: 0;
  max-width: 560px;
  font-size: clamp(2rem, 3.7vw, 3rem);
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.immersive-view {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: stretch;
}

.immersive-copy {
  display: grid;
  gap: 18px;
}

.address-panel {
  padding: 28px;
  border: 1px solid rgba(15, 23, 32, 0.06);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.address-panel::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 111, 255, 0.08), transparent 68%);
}

.address-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.address-panel-head > span {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.address-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.address-actions span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.address-actions span:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.address-panel strong {
  display: block;
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  line-height: 1.04;
  letter-spacing: -0.06em;
  word-break: break-word;
}

.immersive-summary {
  padding: 26px 28px;
  border-radius: 28px 28px 14px 28px;
  background: #111827;
  color: #ffffff;
  box-shadow: 0 18px 42px rgba(15, 23, 32, 0.18);
  animation: fadeLift 0.9s ease 0.16s both;
}

.immersive-summary p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
}

.summary-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.summary-tags span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
}

.screen-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  position: relative;
  min-height: 100%;
}

.screen-panel {
  border: 1px solid rgba(15, 23, 32, 0.06);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 44px rgba(15, 23, 32, 0.07);
}

.screen-panel-main {
  padding: 22px;
  border-radius: 34px;
  animation: fadeLift 0.9s ease 0.22s both;
}

.screen-panel-float {
  width: min(320px, 72%);
  padding: 22px;
  border-radius: 26px 26px 26px 10px;
  position: absolute;
  right: -8px;
  bottom: -24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 245, 255, 0.92));
  animation: floatCard 11s ease-in-out infinite;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-head span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.ops-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ops-list li {
  display: grid;
  gap: 6px;
  padding: 0 0 14px;
  border-bottom: 1px solid rgba(15, 23, 32, 0.08);
}

.ops-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.ops-list b {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.ops-list span {
  color: var(--muted);
  line-height: 1.7;
}

.message-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.message-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid rgba(15, 23, 32, 0.07);
  border-radius: 20px;
  background: rgba(251, 252, 254, 0.9);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.message-row:hover {
  transform: translateX(4px);
  border-color: var(--line-strong);
}

.message-row b {
  display: block;
  margin-bottom: 4px;
}

.message-row p,
.message-row span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.features {
  padding: 52px 0 72px;
}

.launch-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.strip-item {
  padding: 18px 20px;
  border-top: 1px solid rgba(15, 23, 32, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.3));
}

.strip-item small {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.strip-item strong {
  display: block;
  font-size: 1.02rem;
  letter-spacing: -0.03em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(15, 23, 32, 0.08);
}

.feature-card {
  padding: 28px 26px;
  border-right: 1px solid rgba(15, 23, 32, 0.08);
  background: transparent;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.feature-card:last-child {
  border-right: 0;
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
  letter-spacing: -0.03em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.feature-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.44);
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 32, 0.06);
  background: rgba(255, 255, 255, 0.45);
}

.footer-bar {
  padding: 22px 0 34px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-copy {
  display: grid;
  gap: 4px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLift {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatCard {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -8px;
  }
}

@keyframes pulseGlow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.12);
    opacity: 0.55;
  }
}

@keyframes driftOne {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-18px, 22px, 0);
  }
}

@keyframes driftTwo {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(26px, -18px, 0);
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .immersive-view,
  .launch-strip,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    justify-items: start;
  }

  .signal-card,
  .hero-lineup {
    width: 100%;
  }

  .screen-panel-float {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    animation: fadeLift 0.8s ease 0.28s both;
  }

  .product-frame {
    transform: none;
  }
}

@media (max-width: 860px) {
  .header-bar {
    border-radius: 28px;
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-aside {
    grid-template-columns: 1fr;
  }

  .product-main-full {
    padding: 26px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 22px, 1180px);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .product-main,
  .product-main-full {
    padding: 22px;
  }

  .address-panel-head,
  .product-topline,
  .message-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .launch-strip {
    margin-top: 18px;
  }
}